Goodwill	12 Months Ended
Jan. 31, 2022
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill	7. Goodwill The Company has one reportable segment as discussed in Note 16 of the Notes to Consolidated Financial Statements. Accordingly, there is no goodwill assignment based on reporting units. As of January 31, 2022 and 2021, the total carrying amount of goodwill was $303.6 million and $26.6 million, respectively. The increased $277.0 million of goodwill is attributable to the Oculii acquisition in fiscal year 2022. The Company does not amortize goodwill. During the fourth quarters of fiscal year 2022, 2021 and 2020, the Company performed annual goodwill tests and there were no goodwill impairments for the fiscal years ended January 31, 2022, 2021 and 2020, respectively.

Goodwill

12 Months Ended

Jan. 31, 2022

Goodwill And Intangible Assets Disclosure [Abstract]

7. Goodwill

The Company has one reportable segment as discussed in Note 16 of the Notes to Consolidated Financial Statements. Accordingly, there is no goodwill assignment based on reporting units. As of January 31, 2022 and 2021, the total carrying amount of goodwill was $303.6 million and $26.6 million, respectively. The increased $277.0 million of goodwill is attributable to the Oculii acquisition in fiscal year 2022. The Company does not amortize goodwill. During the fourth quarters of fiscal year 2022, 2021 and 2020, the Company performed annual goodwill tests and there were no goodwill impairments for the fiscal years ended January 31, 2022, 2021 and 2020, respectively.